HGH

As the perjury trial of Roger Clemens gets underway this week in federal court in Washington, D.C., much has been made of the two-page affidavit that Andy Pettitte signed on February 8, 2008. This is why.

One of the doctors who assisted in a stem cell procedure last year on Yankees starter Bartolo Colon says that 10 other pitchers have expressed interest in undergoing the treatment that is being scrutinized by Major League Baseball.

One of the doctors who assisted in a procedure last year on Yankees pitcher Bartolo Colon that is being scrutinized by Major League Baseball denied that the treatment involved the use of banned substances.

Major League Baseball is examining a procedure performed on Yankees right-hander Bartolo Colon last year that involved stem cells being injected into his painful shoulder and elbow, according to The New York Times.

The NFL is considering having the World Anti-Doping Agency oversee testing of players for performance-enhancing drugs if a federal appeals court forces the league to end the lockout, according to the New York Times.